Disposable filter with indicia

Details Disposable filter with indicia Disposable filter with indicia

1996-08-01

1999-01-26

Walker, W. L.

Liquid purification or separation

Filter

Resting on supporting receiver, e.g., portable

210477, 210482, 206 05, 99295, 426 77, D7300, D7309, D7400, B01D 29085

Patent

active

058634312

ABSTRACT:
A water permeable disposable filter, the filter including a side wall having an open top region and a sealed bottom region with indicia means is provided. The filter is provided with interior and exterior surfaces, the indicia means located on the interior surface of the side wall of the filter for indicating the amount of ground coffee to be filled into said filter in order to produce a desired quantity of the brewed coffee beverage. The indicia means may include both numbering and level graduations.

REFERENCES:
patent: 676763 (1901-06-01), Nelson
patent: 2093980 (1937-09-01), Linger
patent: 2126584 (1938-08-01), Small
patent: 2513593 (1950-07-01), Smith
patent: 2758771 (1956-08-01), Bauer
patent: 3930086 (1975-12-01), Harmon
patent: 4078356 (1978-03-01), Gallo et al.
patent: 4801464 (1989-01-01), Hubbard, Jr.

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